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CAS Number: 18216-74-5
SMILES : O=C(CCC(c(cccc1)c1)C)C
CHEM : 2-Hexanone, 5-phenyl-
MOL FOR: C12 H16 O1
MOL WT : 176.26
------------------------------ EPI SUMMARY (v4.11) --------------------------
Physical Property Inputs:
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Melting Point (deg C) : ------
Vapor Pressure (mm Hg) : ------
Water Solubility (mg/L): ------
Henry LC (atm-m3/mole) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.68 estimate) = 2.87
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 253.79 (Adapted Stein & Brown method)
Melting Pt (deg C): 23.86 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0222 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 2.96 (Mean VP of Antoine & Grain methods)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 202.2
log Kow used: 2.87 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 122.37 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 9.36E-006 atm-m3/mole (9.48E-001 Pa-m3/mole)
Group Method: 2.28E-006 atm-m3/mole (2.31E-001 Pa-m3/mole)
For Henry LC Comparison Purposes:
User-Entered Henry LC: not entered
Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
HLC: 2.546E-005 atm-m3/mole (2.580E+000 Pa-m3/mole)
VP: 0.0222 mm Hg (source: MPBPVP)
WS: 202 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 2.87 (KowWin est)
Log Kaw used: -3.417 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 6.287
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.8532
Biowin2 (Non-Linear Model) : 0.9190
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.7343 (weeks-months)
Biowin4 (Primary Survey Model) : 3.5076 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.4365
Biowin6 (MITI Non-Linear Model): 0.5079
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.0033
Ready Biodegradability Prediction: NO
Hydrocarbon Biodegradation (BioHCwin v1.01):
Structure incompatible with current estimation method!
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 2.92 Pa (0.0219 mm Hg)
Log Koa (Koawin est ): 6.287
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.03E-006
Octanol/air (Koa) model: 4.75E-007
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 3.71E-005
Mackay model : 8.22E-005
Octanol/air (Koa) model: 3.8E-005
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 12.6234 E-12 cm3/molecule-sec
Half-Life = 0.847 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 10.168 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
5.96E-005 (Junge-Pankow, Mackay avg)
3.8E-005 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 503.5 L/kg (MCI method)
Log Koc: 2.702 (MCI method)
Koc : 510.7 L/kg (Kow method)
Log Koc: 2.708 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Rate constants can NOT be estimated for this structure!
Bioaccumulation Estimates (BCFBAF v3.01):
Log BCF from regression-based method = 1.562 (BCF = 36.5 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.7316 days (HL = 0.1855 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.581 (BCF = 38.13)
Log BAF Arnot-Gobas method (upper trophic) = 1.581 (BAF = 38.13)
log Kow used: 2.87 (estimated)
Volatilization from Water:
Henry LC: 2.28E-006 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 342.3 hours (14.26 days)
Half-Life from Model Lake : 3845 hours (160.2 days)
Removal In Wastewater Treatment:
Total removal: 4.85 percent
Total biodegradation: 0.12 percent
Total sludge adsorption: 4.61 percent
Total to Air: 0.13 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.716 20.3 1000
Water 18.9 900 1000
Soil 79.8 1.8e+003 1000
Sediment 0.527 8.1e+003 0
Persistence Time: 1.04e+003 hr